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N39.0 Urinary tract infection, site not specified

ICD-10-CM · CMS code reference

Official ICD-10-CM description: Urinary tract infection, site not specified

Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

  • candidiasis of urinary tract (B37.4-)
  • neonatal urinary tract infection (P39.3)
  • pyuria (R82.81)
  • urinary tract infection of specified site, such as:
  • cystitis (N30.-)
  • pyonephrosis (N13.6)
  • urethritis (N34.-)

Excludes2

Not part of this code, but both can be coded when both are documented.

  • hematuria NOS (R31.-)
  • recurrent or persistent hematuria (N02.-)
  • recurrent or persistent hematuria with specified morphological lesion (N02.-)
  • proteinuria NOS (R80.-)
  • urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)

Use additional code

Add a second code for the following, when documented.

  • code (B95-B97), to identify infectious agent.

Related codes

Common questions

Is N39.0 a billable code?

Yes. N39.0 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

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